Part 3 Bad Flow/Part 4 More Than 800/Restricted Valves #36 And/Or #32; Less Than 800 Ml Collected/Isolate Valve #32 - Fresenius Medical Care 2008T Troubleshooting Manual

F- 7.6.10 PART 3 BAD FLOW / PART 4 MORE THAN 800 / RESTRICTED VALVES #36 AND/OR #32
Balancing Chamber Valve #36 and/or Valve #32 is not opening. Also, the Actuator Cable or the distribution
board may be bad. These procedures isolate between these components:
A) Turn the machine OFF!
B) Return valves #31 AND #38 to their PROPER distribution board positions.
C) The Flow Pump remains plugged into the Deaeration Pump's distribution board position!
Per the Figure below,
D)
E) Plug the new valve #36's connector into valve #33's distribution board position, "V33".
F) ENSURE the bucket with the RED dialyzer connector submersed is full!
Turn the machine but DO NOT press any other keys!
G)
H) With "Select Program" up, measure drain flow for one (1) minute. More than 800 ml every minute?
Yes More than 800 ml! Problem located! The previous valve #36 is bad!
No Less than 800 ml collected! See procedure number
F- 7.6.12 LESS THAN 800 ML COLLECTED / ISOLATE VALVE #32
A) Turn the machine OFF!
B) Return Valves #33 AND the new Valve #36 connectors to their PROPER distribution board positions!
Per the Figure above,
C)
Parts D through G next page
Valve #36
replace
Figure 20 – Balancing Chamber Valves
Valve #32
replace
2008T Troubleshooting Guide
P/N 490292 Rev. A
with a known good!
.
F- 7.6.12
with a known good!
(page 92).
Page 92